â¢ Is there a peak time for playing football? Do some teams have an advantage based on game time? Stephen Dubner, co-author of the best-selling book, "Freakonomics," explores these questions and more.

â¢ Happy birthday to former NFL LB Wilber Marshall, who turns 50 on Wednesday. Also celebrating a birthday Wednesday is former San Francisco 49ers CB Eric Wright, who turns 53, and former OL Willie Roaf, who turns 42.